Results 91 to 100 of about 36,186 (209)

Self-Commissioning of Inverter Nonlinear Effects in AC Drives [PDF]

, 2012
The paper presents a novel technique for an accurate identification of the inverter nonlinear effects, such as the dead-time and on-state voltage drops. The proposed technique is very simple and it is based only on a current control scheme.
Armando, Eric Giacomo, Bojoi, R., Pellegrino, Gian-Mario Luigi, Rosu, S.G.   +3 more
core   +1 more source

Etude, modélisation et réalisation d’un convertisseur DC/AC pour système de pompage photovoltaïque de 4 kVA

Revue des Énergies Renouvelables, 2013
L’estimation des pertes par effet joule de l’étage de puissance est une étape incontournable, lors de la conception d’un convertisseur. En effet, cette estimation nous permet de mieux évaluer les performances du commutateur, de bien dimensionner le ...
S. Chikhi, M.D. Draou, F. Chikhi, A. Mehdaoui, A. Mammeri   +4 more
doaj  

The Alternate Arm Converter: A New Hybrid Multilevel Converter With DC-Fault Blocking Capability

, 2013
This paper explains the working principles, supported by simulation results, of a new converter topology intended for HVDC applications, called the alternate arm converter (AAC).
Critchley, R, Crookes, W, Green, TC, Hassan, F, Merlin, MMC, Mitcheson, PD, Trainer, DR   +6 more
core   +1 more source

Equipment Optimization Scheme for High Failure Rate Auxiliary Converter of Metro Train in High Temperature and High Humidity Environment

Chengshi guidao jiaotong yanjiu
Objective Over high humidity in the operating environment of metro train auxiliary power supply system will lead to high leakage current of IGBT (insulated gate bipolar transistor), which may further cause the auxiliary converter failure.
HUANG Huijian, FAN Yijun, SU Hanchong, HUANG Xing, PU Anhui, HE Hongli   +5 more
doaj   +1 more source

Measuring the energy handling capability of metal oxide varistors [PDF]

, 2001
Metal oxide varistors are widely used in many power electronics circuits to protect against transient over voltages. Certain applications are very demanding on the energy handling capability of the varistors.
Ahmed, M. M. R., Penlington, Roger, Putrus, G.A., Ran, L.   +3 more
core   +1 more source

Mono Amplifier Class D Menggunakan Semikron SKHI 22B dan IGBT Module Semikron SKM75GB128DN [PDF]

, 2013
Dalam perkembangan power amplifier, MOSFET banyak digunakan dalam komposisi pembuatannya. Seperti diketahui, MOSFET memiliki kerugian waktu on-off yang lebih lama dibandingkan dengan IGBT.
Christanto, I. (Ivan)
core  

Optimization of Power Loss Reduction in IGBTbased Three-Phase Rectifiers using Discontinuous Pulse Width Modulation Method: A SimulationBased Analysis with QSpice and Fuji IGBT Simulator

Jurnal Rekayasa Elektrika
The increasing demand for electricity supply is evident across various modern industrial sectors. Electrification advancements in the transportation industry aim to address environmental and energy issues and continue to evolve.
Rio Pratama, Syaiful Alam, Noer Soedjarwanto, E . Komalasari   +3 more
doaj   +1 more source

Analysis and Research of High-power IGBT Short-circuit Energy

机车电传动, 2019
In view of the high-power IGBT short-circuit protection technology, the IGBT short-circuit reason and protective principle was introduced. The short circuit time of IGBT was verified to be closely related to its working voltage by short circuit test ...
Lu YANG, Lei WANG, Shourong LI
doaj  

A Single Phase Active Front-End Converter for Unity Power Factor

Jurnal Rekayasa Elektrika
A rectifier is an electronic circuit that converts Alternating Current (AC) into Direct Current (DC). This circuit is very important in many electronic applications, especially in power supplies, battery chargers, and other equipment requiring a DC power
Farid Dwi Murdianto, Indhana Sudiharto, Ahmad Hisam Nizar   +2 more
doaj   +1 more source

A Current-Dependent Switching Strategy for Si/SiC Hybrid Switch-Based Power Converters [PDF]

, 2017
: Hybrid switches configured by paralleling Silicon (Si) Insulated Gate Bipolar Transistors (IGBT) and Silicon Carbide (SiC) Metal-Oxide Semiconductor Field-Effect Transistors (MOSFET) have been verified to be a high-efficiency cost-effective device ...
He, Jiangbiao, Katebi, Ramin, Weise, Nathan   +2 more
core   +1 more source